Watch List notes:

Attica, Athens, New Style. Tetradrachm; Attica, Athens, New Style; Two Monograms/Filleted Thyrsus, c. 144/3 BC, Tetradrachm, 16.53g. Thompson-171, new rev. variant for issue. Obv: Helmeted head of Athena r. Rx: Owl standing r. on amphora, head front; ethnic and monograms l. and r., filleted thyrsus in r. field, T on amphora, ?? below; all within olive wreath. Not in Thompson with this combination of month T=9 on amphora and third magistrate EY below. Ex Berk 180, 16 August 2012, lot 320.Probably struck with a slightly warped obverse die. VF